Update Sunfish SVN to 16

Bug: 170492812
Change-Id: If5158f75ae729083f195838d7c3ef2d9d53f7a48
(cherry picked from commit 6991d582da57a242c35a72131974a825a2f126d4)
diff --git a/device.mk b/device.mk
index 9982034..e7bb511 100644
--- a/device.mk
+++ b/device.mk
@@ -880,7 +880,7 @@
 
 # Increment the SVN for any official public releases
 PRODUCT_PROPERTY_OVERRIDES += \
-	ro.vendor.build.svn=15
+	ro.vendor.build.svn=16
 
 PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/powerhint.json:$(TARGET_COPY_OUT_VENDOR)/etc/powerhint.json